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This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Approved Air Quality Implementation Plans

Use the map below to find the following types of approved air quality implementation plans around the nation:

  • State Implementation Plans (SIPs)
  • Tribal Implementation Plans (TIPs)
  • Federal Implementation Plans (FIPs) 

Map of the US, split into EPA regions Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont New Jersey, New York, Puerto Rico, US Virgin Islands Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee  Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin Arkansas, Louisiana, New Mexico, Oklahoma, Texas Iowa, Kansas, Missouri, Nebraska Colorado, Montana, North Dakota, South Dakaota, Utah, Wyoming Arizona, California, Hawaii, Nevada, Pacific Islands Alaska, Idaho, Oregon, Washington